8QEN
cryo-EM structure of apo Clostridioides difficile toxin B
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Toxin B | polymer | 2397 | 273551.6 | 1 | UniProt (P18177) | Clostridioides difficile | |
| 2 | B (A) | ZINC ION | non-polymer | 65.4 | 1 | Chemie (ZN) |
Sequence modifications
A: 1 - 2366 (UniProt: P18177)
| PDB | External Database | Details |
|---|---|---|
| Met -13 | - | initiating methionine |
| Asp -12 | - | expression tag |
| Lys -11 | - | expression tag |
| Leu -10 | - | expression tag |
| Val -9 | - | expression tag |
| His -8 | - | expression tag |
| Leu -7 | - | expression tag |
| Asn -6 | - | expression tag |
| Gln -5 | - | expression tag |
| Arg -4 | - | expression tag |
| Gly -3 | - | expression tag |
| Lys -2 | - | expression tag |
| Cys -1 | - | expression tag |
| Thr 0 | - | expression tag |
| Gly 2367 | - | expression tag |
| Tyr 2368 | - | expression tag |
| Arg 2369 | - | expression tag |
| Pro 2370 | - | expression tag |
| His 2371 | - | expression tag |
| Ala 2372 | - | expression tag |
| Gly 2373 | - | expression tag |
| Leu 2374 | - | expression tag |
| Arg 2375 | - | expression tag |
| Gly 2376 | - | expression tag |
| Ser 2377 | - | expression tag |
| His 2378 | - | expression tag |
| His 2379 | - | expression tag |
| His 2380 | - | expression tag |
| His 2381 | - | expression tag |
| His 2382 | - | expression tag |
| His 2383 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 273551.6 | |
| Non-Polymers* | Number of molecules | 1 |
| Total formula weight | 65.4 | |
| All* | Total formula weight | 273617.0 |






